Picker-lag



(No Model.)

J; N. JONES.

, PIGKER LAG. I No. 269,060. Patented Dec. 12, 1882.

UNITED STATES PATENT OFFICE.

JOSIAH N. JONES, OF WORCESTER, ASSIGNOR OF ONE-HALF TO 15. F. RAY- MOND, 2D, OF NEWTON, MASSACHUSETTS.

PlCKER-LAG.

SPECIFICATION forming part of LettersPatent No. 269,060, dated December 12,1882.

. Application filed March 13,1ss2. (No model.)

To all whom it may concern:

Be it known that I, JOSIAH N. JONES, of Worcester, inthecounty of Worcester and State of Massachusetts, acitizen of the United States,

5 have invented an Improvementin Picker-Lags, of which the following is a full, clear, and ex act description, reference. being bad to the ac companying drawings, forming a part of this specification, 'in explaining its nature, in

1.0 Which Figurel is a perspective view of a part of a lag containing my invention, and Fig. 2 is a section illustrating the construction thereof.

This invention is an improvement upon that 1 described in my Letters Patent No. 224,545, dated February 17, 1880; and it consists in a picker-lag having interposed between the metallic plates thereof acheap and preferably C0111- paratively light material, like leather-board,

2o straw-board, pasteboard, wood, 650., whereby the metal plates may be made thinner, and therefore more easily punched, the lag made lighter, and its cost materially cheapened.

In the drawings, a. a are the metal plates of 2 the lag; b,aninterposedlayerof leather-board,

straw-board, pasteboard, wood, or other suitable material of like nature lightly compressed between the metal plates, which are riveted tgelher. c are the wooden bushings.

39 teeth.

In making the lag the holes orperforations in the plates are formed by punching, and the plates are then curved in any suitable way to the proper curvature. The outer plate is also 3 formed at its ends to provide the depressione, whereby the ends of the two plates may be brought in contact and a space for the filling provided. Non-metallic fillingof properthickd are the ness is then interposed between the two plates and the plates riveted solidly together. Holes corresponding to those formed in the metal plates are then formed in the interposed material. Non-metallic bushings are then driven into the holes and the teeth driven through them. By this construction not only is the lag. 5 lightened and cheapen'ed,but the use of a nonmetallic interposed layer of less density than the metal plate permits the part of the bushing held or enveloped by itto expand upon the driving of the teeth, so that a shoulder or enlargement upon each bushing is formed betweenthe metal plates, and the bushings are thereby effectually locked in place between thenn.

With the construction described in the pat- 5 5 out referred to, in order to obtain a sufficient bearing for the bushings, it is necessary to use much thicker metal plates than is needed for strength, while with this invention I make the plates as thin as due regard for strength will allow, and obtain the necessary thickness for the bushing-bearings by means of interposed non-metallic layers. 7

Having thus fully described my invention, I claim and desire to secure by Letters Patent of the United States 1 A picker-lag comprising the metal plates provided with perforations a a, the interposed non metallic layer 1), the bushing c, and the teeth d, all combined substantially as and for the purposes described.

JOSIA H N. JONES.

Witnesses: F. F. RAYMOND, 2d,

WILLARD (J. FOGG- 

